package cn.itcast.wanxinp2p.account.service.impl;

import cn.itcast.wanxinp2p.account.domain.Account;
import cn.itcast.wanxinp2p.account.mapper.AccountMapper;
import cn.itcast.wanxinp2p.account.service.AccountService;
import cn.itcast.wanxinp2p.api.account.model.account.AccountDTO;
import cn.itcast.wanxinp2p.api.account.model.account.AccountLoginDTO;
import cn.itcast.wanxinp2p.api.account.model.account.AccountRegisterDTO;
import cn.itcast.wanxinp2p.common.domain.AccountErrorCode;
import cn.itcast.wanxinp2p.common.domain.RestResponse;
import cn.itcast.wanxinp2p.common.domain.StatusCode;
import cn.itcast.wanxinp2p.common.exception.BusinessException;

import cn.itcast.wanxinp2p.common.util.PasswordUtil;
import lombok.extern.slf4j.Slf4j;
import org.dromara.hmily.annotation.Hmily;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.client.RestTemplate;

import java.util.HashMap;

@Slf4j
@Service
public class AccountServiceImpl implements AccountService {

    @Value("${sms.enable}")
    Boolean smsEnable;

    @Autowired
    RestTemplate restTemplate;

    @Autowired
    AccountMapper accountMapper;

    @Override
    public RestResponse getSMSCode(String mobile) {
        //TODO
        // 发起远程请求调用 短信微服务 发送短信   RestTemplate
        // http://localhost:56085/sailing/generate?effectiveTime=300&name=sms
        // {"mobile":"13566668888"}

        String url = "http://localhost:56085/sailing/generate?effectiveTime=300&name=sms";
        HashMap<String, String> map = new HashMap<>();
        map.put("mobile", mobile);
        RestResponse response = restTemplate.postForObject(url, map, RestResponse.class);
        return response;

        /*返回数据：直接将短信服务的结果返回即可
            {
                "code": 0,
                "msg": "",
                "result": {
                    "key": "sms:70ba933b095b4b5c90ee314045fd9003",
                    "content": null
                }
            }
         */

    }


    @Override
    public Integer checkMobile(String mobile, String key, String code) {
          /* 1、远程调用 短信微服务 校验验证码是否正确
              Post请求：
              http://localhost:56085/sailing/verify?name=sms&verificationKey=sms:70ba933b095b4b5c90ee314045fd9003&verificationCode=707339
              根据结果判断验证码校验是否成功，如果失败，则抛出 AccountErrorCode.E_140152 异常

            2、如果验证码正确，还需要根据手机号 去 account 表中查询手机号是否存在
            	如果存在返回 1，否则返回 0
        */

        String url = "http://localhost:56085/sailing/verify?name=sms&verificationKey=" + key + "&verificationCode=" + code;
        RestResponse restResponse = restTemplate.postForObject(url, null, RestResponse.class);
        Boolean result = (Boolean) restResponse.getResult();
        if(!result) {
            throw new BusinessException(AccountErrorCode.E_140152);
        }
        Account account = accountMapper.selectByMobile(mobile);
        if (account!=null){
            return 1;
        }
        return 0;

       /* 返回结果：
        {
            "code": 0,
            "msg": "",
            "result": 1(成功) / 0(失败)
        }
        */

    }

    /**
     * 账户注册
     * @param registerDTO 注册信息
     * @return
     */
    @Override
    @Transactional
    @Hmily(confirmMethod = "confirmRegister", cancelMethod = "cancelRegister")
    public AccountDTO register(AccountRegisterDTO registerDTO) {
        //TODO
        Account account = accountMapper.selectByMobile(registerDTO.getMobile());
        AccountDTO accountDTO = new AccountDTO();
        if (account == null) {//没有注册
            account = new Account();
            BeanUtils.copyProperties(registerDTO, account);
            account.setDomain("c");
            account.setStatus(StatusCode.STATUS_OUT.getCode());
            String password= PasswordUtil.generate(registerDTO.getPassword());
            account.setPassword(password);
            BeanUtils.copyProperties(account,accountDTO);
            accountMapper.register(account);
        }
        return accountDTO;
    }

    public void confirmRegister(AccountRegisterDTO registerDTO) {
        log.info("--------- 执行 confirmRegister");
    }

    public void cancelRegister(AccountRegisterDTO registerDTO) {
        log.info("---------- 执行 cancelRegister");
        //TODO 删除账号
        accountMapper.deleteByMobile(registerDTO.getMobile());
    }


    @Override
    public AccountDTO login(AccountLoginDTO accountLoginDTO) {
        //1、查询用户，注意此处需要根据前端传递的 AccountLoginDTO的domain做判断：
        //  如果值是 c 表示是c端用户，需要根据手机号查询
        //  否则是b端用户，需要根据用户名查询
        Account account = null;
        if ("c".equals(accountLoginDTO.getDomain()) && accountLoginDTO.getDomain() != null) {
            account = accountMapper.selectByMobile(accountLoginDTO.getMobile());
        } else if ("b".equals(accountLoginDTO.getDomain()) && accountLoginDTO.getDomain() != null) {
            account = accountMapper.selectByUsername(accountLoginDTO.getUsername());
        }

        //2、判断用户是否存在，如果不存在，直接抛出 AccountErrorCode.E_130104 异常
        if (account == null) {
            throw new BusinessException(AccountErrorCode.E_130104);
        }
        //3、如果 smsEnable=true ，说明是短信验证码登录，不做密码校验。直接返回
        AccountDTO accountDTO = new AccountDTO();
        BeanUtils.copyProperties(account, accountDTO);
        if (smsEnable) {
            return accountDTO;
        }
        //4、验证密码，如果密码错误则抛出 AccountErrorCode.E_130105 异常
        if (PasswordUtil.verify(accountLoginDTO.getPassword(),account.getPassword())) {
            return accountDTO;
        }
        throw new BusinessException(AccountErrorCode.E_130105);

    }
}
